package com.benz.order.util.computer;

public class ComputerTest {
    public static void main(String[] args) {
        Computer c =  new Computer();
        c.add(new Mouse());
        c.add(new KeyBoard());
        c.add(new Micphone());
        c.powerOn();
        System.out.println();
        c.powerOff();
    }
}
